Update app.py

app.py

@@ -6,7 +6,7 @@ import time
 
 from langchain.chains import LLMChain, RetrievalQA
 from langchain.chat_models import ChatOpenAI
-from langchain.document_loaders import PyPDFLoader, WebBaseLoader, PyMuPDFLoader, UnstructuredWordDocumentLoader, DirectoryLoader
+from langchain.document_loaders import PyPDFLoader, WebBaseLoader, UnstructuredWordDocumentLoader, DirectoryLoader
 from langchain.document_loaders.blob_loaders.youtube_audio import YoutubeAudioLoader
 from langchain.document_loaders.generic import GenericLoader
 from langchain.document_loaders.parsers import OpenAIWhisperParser
@@ -110,7 +110,7 @@ def add_file(history, file):
 def create_directory_loader(file_type, directory_path):
     #verscheidene Dokument loaders:
     loaders = {
-        '.pdf': PyMuPDFLoader,
+        '.pdf': PyPDFLoader,
         '.word': UnstructuredWordDocumentLoader,
     }
     return DirectoryLoader(